docs: rename frank-default-large/small/sightsound to frank-large/small/npu across vault

Mechanical identity rename across the knowledge base, AGENTS.md, README, the
hermes config example, and homepage services.json. No behavior change; served
aliases on the LLM endpoints change with the deploy of commit 69f87c8.

serverAppConfigs-docs/LLM/ling-3.0-flash-vllm-plan.md

@@ -6,5 +6,5 @@ Dankclaw. The deployment never shipped. The actual Ling work used the
 llama.cpp Q6_K fork trial instead: [[ling-3.0-flash-trial]].
 
 The trial service (`frank-large-ling`) is retired and disabled under the
-boot policy (2026-08-17). `frank-default-large` is the Qwen3.8-27B PP
+boot policy (2026-08-17). `frank-large` is the Qwen3.8-27B PP
 head, not the Ling path. See git history for the full decision table.